\documentclass[a4paper,12pt,oneside,openany]{book}

\usepackage{manual}

\title{A short manual for \Tw}
\author{Alain Delmotte, Stefan Löffler, and others}
\date{}

\begin{document}

\frontmatter

\include{frontmatter}

\mainmatter

\include{introduction}

\include{installation}

\include{firststeps}

\include{editingtools}

\include{othertools}

\include{scripting}

\include{beyond}

\appendix

\include{customizing}

\include{regexps}

\include{compiling}

\backmatter

\include{backmatter}

\end{document}
